From 0773d4f561f09d25e56719f6d82adc097f9106ce Mon Sep 17 00:00:00 2001
From: bjoernf <bjoern.foersterling@web.de>
Date: Sat, 16 Sep 2023 12:39:49 +0200
Subject: [PATCH] removed unused move_lines.c

---
 src/main.c       |  1 -
 src/move_lines.c | 59 ------------------------------------------------
 src/move_lines.h | 20 ----------------
 3 files changed, 80 deletions(-)
 delete mode 100644 src/move_lines.c
 delete mode 100644 src/move_lines.h

diff --git a/src/main.c b/src/main.c
index dcf759a..14ab12a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,7 +3,6 @@
 #include "cli_arg_parsing.h"
 #include "date_time_handling.h"
 #include "string_handling.h"
-#include "move_lines.h"
 #include "read_until_nl.h"
 #include "read_until_string.h"
 #include "seek_string_a.h"
diff --git a/src/move_lines.c b/src/move_lines.c
deleted file mode 100644
index 5d2eb40..0000000
--- a/src/move_lines.c
+++ /dev/null
@@ -1,59 +0,0 @@
-// functions that can move the file position conveniently
-// remember that the last line of a file is usually empty and goes from '\n' to EOF
-
-#include "move_lines.h"
-#include <unistd.h>
-
-// function to move back/up
-void go_back_x_lines(int fd, int lines) {
-  for (int i = 0; i < lines; i++) {
-    seek_previous_line(fd);
-  }
-}
-
-void seek_previous_line(int fd) {
-  seek_line_start(fd);
-  lseek(fd, -1, SEEK_CUR);
-  seek_line_start(fd);
-}
-
-// set file position to the beginning of the line
-void seek_line_start(int fd) {
-  char cur_char = '\0';
-
-  while (cur_char != '\n') {
-    int ret_lseek = lseek(fd, -1, SEEK_CUR);
-    if (ret_lseek == -1)
-      break;
-    
-    read(fd, &cur_char, 1);
-    if (cur_char != '\n')
-      lseek(fd, -1, SEEK_CUR);
-  }
-}
-
-// function to move forward/down
-void go_forward_x_lines(int fd, int lines) {
-  for (int i = 0; i < lines; i++) {
-    seek_next_line(fd);
-  }
-}
-
-void seek_next_line(int fd) {
-  seek_line_end(fd);
-  lseek(fd, 1, SEEK_CUR);
-}
-
-// set file position to the end of the line
-void seek_line_end(int fd) {
-  char cur_char = '\0';
-
-  while (cur_char != '\n') {
-    // return code 0 of read indicates EOF
-    if (read(fd, &cur_char, 1) == 0)
-      break;
-  }
-  
-  lseek(fd, -1, SEEK_CUR);
-}
-
diff --git a/src/move_lines.h b/src/move_lines.h
deleted file mode 100644
index fe9200a..0000000
--- a/src/move_lines.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// functions that can move the file position conveniently
-// remember that the last line of a file is usually empty and goes from '\n' to EOF
-
-#pragma once
-
-// function to move back/up
-void go_back_x_lines(int fd, int lines);
-
-void seek_previous_line(int fd);
-
-// set file position to the beginning of the line
-void seek_line_start(int fd);
-
-// function to move forward/down
-void go_forward_x_lines(int fd, int lines);
-
-void seek_next_line(int fd);
-
-// set file position to the end of the line
-void seek_line_end(int fd);